Monte Cristo Sandwiches

6 Slices of White Sandwich Bread
4 Slices of Deli Turkey
4 Slices of Gouda
1 Tbsp of Mayo
1 tsp of Prepared Yellow Mustard
3 Eggs
Splash of milk (a little less than 1/4 cup)
Seasoned Salt, to taste
1 Tbsp of Vegetable Oil
2 Tbsp of Butter